相关单词近义词 polyethylene 聚乙烯临近词Polykol, POLY, polymetallic deposit, polyvalent antiserum, polyurea elastomeric, polyolefin elastomer, Polythrena angularia, polystyrene membrane, polysulfone material, polyhaptenic antigen, polycomponent system, poly-silicon panel相似词polystyrene, polysyllabic, polytechnic, polytheism, polytunnel, polyunsaturate, polyunsaturated, polyurethane, 返回 polythene